Home / 974,745.53-1,462,122.40-639,904.90

Finding the Fourth Proportional to 974,745.53, 1,462,122.40 and 639,904.90

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Solution

The fourth proportional to 974,745.53, 1,462,122.40 and 639,904.90 is: 959,860.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,745.53 : 1,462,122.40 = 639,904.90 : x
  2. Step 2: Convert to fraction form
    974,745.53/1,462,122.40 = 639,904.90/x
  3. Step 3: Cross multiply
    974,745.53x = 1,462,122.40 × 639,904.90
  4. Step 4: Simplify right side
    974,745.53x = 935,619,288,159.76
  5. Step 5: Solve for x
    x = 935,619,288,159.76/974,745.53
  6. Step 6: Final answer
    x = 959,860.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.